Appendix AThe Evolution of Soviet State Security
305December 1917 Cheka
February 1922 Incorporated into the NKVD as the GPU
July 1923 OGPU
July 1934 Incorporated into the NKVD as the GUGB
(Chief Directorate of State Security)
February 1941 GUGB elements incorporated into the NKGB
July 1943 Smershcreated from the Military
Counterintelligence component of NKGB
March 1946 NKGB becomes MGB. Smershreincorporated
into the MGB
March 1953 Creation of enlarged MVD by Lavrenty Beria
to include NKGB and NKVD
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